122853760

素因数分解:

$2^7\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1381}}^1$

素因数の和:1539

約数の個数: 64

約数和(自身を含む): 296024400

約数和(自身を除く): 173170640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 278, 320, 556, 640, 695, 1112, 1381, 1390, 2224, 2762, 2780, 4448, 5524, 5560, 6905, 8896, 11048, 11120, 13810, 17792, 22096, 22240, 27620, 44192, 44480, 55240, 88384, 88960, 110480, 176768, 191959, 220960, 383918, 441920, 767836, 883840, 959795, 1535672, 1919590, 3071344, 3839180, 6142688, 7678360, 12285376, 15356720, 24570752, 30713440, 61426880, 122853760]

約数ペア:

[(1, 122853760), (2, 61426880), (4, 30713440), (5, 24570752), (8, 15356720), (10, 12285376), (16, 7678360), (20, 6142688), (32, 3839180), (40, 3071344), (64, 1919590), (80, 1535672), (128, 959795), (139, 883840), (160, 767836), (278, 441920), (320, 383918), (556, 220960), (640, 191959), (695, 176768), (1112, 110480), (1381, 88960), (1390, 88384), (2224, 55240), (2762, 44480), (2780, 44192), (4448, 27620), (5524, 22240), (5560, 22096), (6905, 17792), (8896, 13810), (11048, 11120)]